Insulin does not enter a target cell but instead binds to a specific membrane receptor on the external surface of the membrane, thereby activating the enzyme adenylyl cyclase on the inner membrane surface:
What will be an ideal response?
Detection of signals
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Clostridium botulinum cannot produce toxins in improperly preserved foods
Indicate whether the statement is true or false.
The genomes of all the microbes present in or on the human body are collectively known as the proteome
a. True b. False Indicate whether the statement is true or false
Some microbes convert iron to magnetite which is then used as an internal compass to help position the microbe correctly in its environment.
Answer the following statement true (T) or false (F)
Which components of speciation would be least likely to be part of punctuated equilibrium?
a. ongoing gene flow among all individuals b. a division of populations b. a change in environmental conditions d. a large number of mutations taking place at once